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Finding the Fourth Proportional to 194,020.80, 290,992.80 and 94,180.80

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Solution

The fourth proportional to 194,020.80, 290,992.80 and 94,180.80 is: 141,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,020.80 : 290,992.80 = 94,180.80 : x
  2. Step 2: Convert to fraction form
    194,020.80/290,992.80 = 94,180.80/x
  3. Step 3: Cross multiply
    194,020.80x = 290,992.80 × 94,180.80
  4. Step 4: Simplify right side
    194,020.80x = 27,405,934,698.24
  5. Step 5: Solve for x
    x = 27,405,934,698.24/194,020.80
  6. Step 6: Final answer
    x = 141,252.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.